434012521456 has 20 divisors (see below), whose sum is σ = 840926893752. Its totient is φ = 216999129536.

The previous prime is 434012521451. The next prime is 434012521561. The reversal of 434012521456 is 654125210434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434012521451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74826 + ... + 934678.

Almost surely, 2^434012521456 is an apocalyptic number.

It is an amenable number.

434012521456 is a deficient number, since it is larger than the sum of its proper divisors (406914372296).

434012521456 is a wasteful number, since it uses less digits than its factorization.

434012521456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891408 (or 891402 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

It can be divided in two parts, 4340125 and 21456, that added together give a triangular number (4361581 = T₂₉₅₃).

The spelling of 434012521456 in words is "four hundred thirty-four billion, twelve million, five hundred twenty-one thousand, four hundred fifty-six".